(Jet)
Relentless, Passionate, Unstoppable— that’s Charlie Wilson. Forty years after he burst onto the scene with the Gap Band, the crooner still sells out shows and drops hit records. The key to his success? His desire to outwork absolutely anyone. “I think my good problem is that I have the passion to want to achieve again,” says Wilson, 60. “When people tell me, ‘No,’ it just gives me...